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A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?



Answer :

Ryan2
[tex]\boxed{y=120+0.12x}\\ \\ y=162\\ \\ 120+0.12x=162\\ \\ 0.12x=162-120\\ \\ 0.12x=42\\ \\ x=\frac{42}{0.12}\\ \\ \boxed{\boxed{x=350 \ miles}}[/tex]